now a day later, the obama camp is trying to use his words against him. the crowd at the conservative conference in colorado welcomed mitt romney with thunderous applause on saturday. it was a victory lap. >> trickle down government that the president proposes is one where he will raise taxes on small business, which will kill jobs. i instead want to keep taxes down on small businesses to create jobs. >> an instant cbs news poll of the uncommittedded voters showed that he won the first debate by a margin of 2-1. speaking on thursday, he continues to draw contrast with the president. >> we don't measure compassion on how many people to put on food stamp and how many you can get a good job to get off the food stamps. >> reporter: president obama came out swinging on thursday, something that critics say he should have done at the debate. >> the president told the crowd of supporters in denver that a different challenger showed up on wednesday night. >> the real mitt romney has been running around the country for the last year. seeing $5,000 in tax cuts. and